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Ubuntu.comUB:CVE-2017-5949

HistoryApr 03, 2017 - 12:00 a.m.

CVE-2017-5949

2017-04-0300:00:00

ubuntu.com

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.006

Percentile

77.6%

JSON

JavaScriptCore in WebKit, as distributed in Safari Technology Preview
Release 22, allows remote attackers to cause a denial of service
(heap-based out-of-bounds write and application crash) or possibly have
unspecified other impact via crafted JavaScript code that triggers access
to red-zone memory locations, related to jit/ThunkGenerators.cpp,
llint/LowLevelInterpreter32_64.asm, and llint/LowLevelInterpreter64.asm.

Bugs

<https://bugs.webkit.org/show_bug.cgi?id=167239>

Notes

Author	Note
jdstrand	webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

References

launchpad.net/bugs/cve/CVE-2017-5949

nvd.nist.gov/vuln/detail/CVE-2017-5949

security-tracker.debian.org/tracker/CVE-2017-5949

www.cve.org/CVERecord?id=CVE-2017-5949

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.006

Percentile

77.6%

JSON

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